v0.0.18

• Fix codegen panic on messages containing nested extend blocks (#181)
• Update pb-jelly-gen to use std::sync::LazyLock (#182)
• Add Cargo workspace configuration to centralize dependency management (#183)
• Rename examples_gen package from pb-test/pb_test_gen (#184)
• Add crates.io publish workflow (#185)
• Fix publish workflow ordering and per-crate readme paths (#187)

Full Changelog: v0.0.17...v0.0.18